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发明名称
METHOD FOR REGENERATING LANCE TUYERE
摘要
申请公布号
JPH01312022(A)
申请公布日期
1989.12.15
申请号
JP19880144395
申请日期
1988.06.11
申请人
NIPPON STEEL CORP
发明人
KINOSHITA TAKEO;EKOSHI KATSUMI;KURIHARA JUNICHI;HARADA TOSHIHISA
分类号
C21C5/46
主分类号
C21C5/46
代理机构
代理人
主权项
地址
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